问题描述
帮我解决MongoDB聚合框架的问题。
people_master集合中的示例
{
"_id": ObjectId("57d7a180fa937f710a7dfab0"),"last_name": "Austin","job": "Further education lecturer","ssn": "868-50-7592","first_name": "Darren","company_id": ObjectId("57d7a180fa937f710a7df9f9"),"birthday": ISODate("2014-06-09T21:37:46Z"),"email": "davidyoung@martinez-thomas.com"
}
people_import集合中的示例
{
"_id": ObjectId("57d7a12bfa937f710a7d5a06"),"last_name": "Whitney","address": {
"city": "Whitetown","state": "Connecticut","street": "32940 Potter Burgs","zip": "27841-1320"
},"first_name": "Linda","birthday": ISODate("2015-04-01T00:59:10Z"),"email": "stewartjessica@barber.com"
}
我想在people_import中找到所有引用了people_master集合中同一个人的文档。
那么我如何获得与聚合管道中至少三个字段匹配的文档?
请帮助我。
解决方法
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